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Problem after installing 60lb's.

Old May 31, 2012 | 02:03 PM
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Default Problem after installing 60lb's.

The truck was running good with the stock injectors till i change them for the
DEKA IV ( DEKA 4 ) Mototron 60lb/hour High Impedance Injectors.

At idle the truck shakes and air fuel goes tup to the 15.8, driving around it drops around 14.3 truck drives good, and i when i get to stop air fuel goes back to the 15's.

CAn it be getting air somewhere since i took off the intake to change the injectors outside.

Have anyone got htis problem??
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Old May 31, 2012 | 02:16 PM
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you change the injector size in the tune?
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Old May 31, 2012 | 03:21 PM
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Yes i did.
I turn on the truck with out changing the data and after i change it and iit was doing the same problem.
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Old May 31, 2012 | 03:22 PM
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The only thing i can think about is the intake its getting air or the data is not correct.

Last edited by urdone; May 31, 2012 at 03:29 PM.
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Old May 31, 2012 | 03:31 PM
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make sure everything is seated well, all o-rings are on properly, etc. Did you replace intake gaskets since you took intake off?
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Old May 31, 2012 | 04:03 PM
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No i did not replace the intake gaskets.
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Old May 31, 2012 | 04:18 PM
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You don't need to replace intake gaskets unless there's something wrong with them.

Are you sure that the injectors are scaled correctly? Did you make any changes to the pulse width?
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Old May 31, 2012 | 04:41 PM
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Yes i change the 4 tables.

offset vs press vs IGNV
flow rate vs prss
short pulse adder
min inj pulse
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Old May 31, 2012 | 09:44 PM
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What do your fuel trims look like? I put those same injectors in my truck and used all the data from the Banish dvd and had to touch up the ve and maf...I would never swap injectors and just assume the tune is still fine and there's something else wrong, you might end up chasing your tail
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Old May 31, 2012 | 09:58 PM
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Where did you get your data from? If it isn't from your exact injectors they won't run right.
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